High-speed trains create powerful pressure waves in tunnels, but clever nose designs inspired by nature help silence the boom. From drag reduction to advanced airflow control, modern engineering reveals how trains stay fast, quiet and efficient.


How the train’s aerodynamic nose prevents tunnel ‘air shock’

The Gotthard Base Tunnel in Switzerland is the longest railway tunnel at 57.1 km. Japan’s Seikan Tunnel and the Channel Tunnel follow close behind. These long tunnels improve global rail connectivity efficiently

10 longest tunnels used by trains in the world

A Kremlin envoy has proposed building a $8 billion rail tunnel under the Bering Strait to connect Russia and the United States. Dubbed the “Putin-Trump” tunnel, the 70-mile link would facilitate joint resource exploration and symbolize renewed unity between the two powers. The idea comes amid efforts to revive U.S.-Russia relations, following talks between Presidents Putin and Trump and a planned meeting in Budapest to discuss peace in Ukraine.

Russia Proposes ‘Putin-Trump’ Tunnel Project

India News: A roof collapse at the Srisailam Left Bank Canal site in Telangana's Nagarkurnool district leaves at least six workers feared trapped, say police on Saturday.

India | Several workers feared trapped after tunnel roof collapses in Telangana; CM Reddy reacts

Amidst ongoing tensions with Israel, Iran is reportedly building a new tunnel near central Tehran. The tunnel will link a station on the Tehran metro to the Imam Khomeini Hospital allowing direct underground access, to this key medical facility.

Iran Building 'defensive Tunnel' in Tehran After Israeli Strikes | GRAVITAS

A new footage of dead Hamas leader Yahya Sinwar was released by Israel on Sunday (October 20) in which he was seen shifting his belongings along with his family members through a tunnel in Gaza hours before the October 7 attack on Tel Aviv.

Watch: Yahya Sinwar in tunnel hours before Oct 7 attack, wife seen carrying handbag worth $32,000

Prime Minister Narendra Modi made a historic visit to Kolkata on Wednesday (Mar 6), unveiling India's inaugural underwater metro route and a plethora of other projects, collectively worth Rs 15,400 crore ($1.

PM Modi inaugurates India's first underwater metro, other projects worth $1.85bn

The Israel Defense Forces revealed on Wednesday a barred cell area in a major Hamas tunnel in southern Gaza’s Khan Younis that it said was used by the terror group to hold hostages.

IDF reveals a major Hamas tunnel in Southern Gaza

Nine people have been arrested after a mass brawl broke out at a New York City synagogue over a secret tunnel discovered underneath it. The fight erupted at the global headquarters of the Orthodox Jewish Chabad-Lubavitch movement in Crown Heights and it remains closed to the public after the incident.

US: Brawl breaks out over filling up of a secret tunnel inside a NYC synagogue

US: Secret tunnel in NYC synagogue leads to brawl between cops and worshippers

As many as 12 Hasidic Jewish worshippers were arrested after a Brooklyn synagogue became the centre of chaos on Monday (Jan 8) over a 'tunnel'. The New York Police Department (NYPD) had arrived at the place of worship to fill a secret tunnel but was quickly swarmed by protesters.

'Something sinister happening': Netizens confused over secret tunnel below NY synagogue

Secret tunnel discovered under New York Synagogue. Clashes erupt between NYPD. Synagogue members. Motive behind the tunnel unclear. Watch to know more!

New York synagogue erupts into chaos as secret tunnel unearthed

The Israeli military has initiated the flooding of Hamas's extensive tunnel network in Gaza by pumping seawater into the underground infrastructure, as confirmed by US officials briefed on Israeli military operations, reported The Wall Street Journal (WSJ).

Israel starts flooding seawater in Gaza tunnels to dismantle Hamas network: Report

Reports are emerging that the Israeli military has begun pumping sea-water into Hamas' complex tunnel system in Gaza.

Israel-Hamas war: Israel floods tunnels with sea water

When heavy machinery broke down trying to break through the debris trapping 41 workers in the Silkyara tunnel in Uttarkashi, authorities called in a group of people whose profession is banned in India- 'rat hole mining'. The "rat-hole" miners who work manually, broke through the remaining length of debris and pushed a pipe to the trapped workers. Here is the story of one of the most daring rescue operations in the Himalayas.

Rat hole miners: Unexpected heroes of India tunnel rescue

Rescuers in India have freed 41 workers who had been trapped in a collapsed Himalayan tunnel for 17 days. Miners drilled the final section by hand to reach the workers in the 4.5km (3-mile) tunnel in Uttarakhand.

Uttarakhand Tunnel collapse: 41 men rescued from India tunnel by "rat miners" after 17 days

Indian Prime Minister Narendra Modi late on Tuesday (Nov 28) praised the rescue operation that safely evacuated all the 41 workers trapped inside an under-construction road tunnel in Uttarakhand, stating that those involved in the rescue efforts had set an example of humanity and teamwork.

PM Modi speaks to workers rescued from Uttarakhand tunnel, enquires about their well-being

Uttarakhand Tunnel collapse: All 41 men trapped in Uttarakhand now free

The 17-day long wait ends. The first batch of workers are being rescued from the Silkyara tunnel in Uttarakhand, India. All trapped workers to be rescued from the tunnel in the next 2 hours Watch the link to know more.

BREAKING | Himalayan tunnel rescue successful, billion prayers answered, workers rescued

Big sigh of relief, as trapped workers being rescued from uttrakhand tunnel. Rescuers had drilled through debris to reach the group of 41 trapped workers. The men had been stuck in the 4.5-km (3-mile) tunnel in the mountainous state of uttarakhand since it caved in early on november 12.

Uttarakhand tunnel rescue: Workers being pulled out through a narrow pipe of 90cm

41 workers who were trapped in the Uttarakhand tunnel will be extricated. They will be taken to hospitals for medical checkup for which 41 ambulances are on standby outside.

Uttarakhand tunnel rescue: Ambulances on standby outside the tunnel | WION

Rescuers are meters away from the workers stuck inside a tunnel in Uttarakhand's silkyari for the last 17 day. Ambulances and helicopters are on standby as the rescuers wait to pull out the workers on strectchers..Who will be sent to a makeshift hospital immediately.

Uttarakhand tunnel rescue: Rescuers uses rat-hole mining to reach workers

Rescuers achieved major breakthrough in Uttarakhand tunnel rescue operation, 41 workers trapped in the tunnel since Nov 12 are expected to come out soon. NDRF confirmed the safety of all workers.

Uttarakhand tunnel rescue: NDRF performing evacuation mock drills

The NDRF conducted a press briefing in which a senior rescue official said that it will take atleast 5 minutes to pull out one worker. That means that the entire exercise of pulling out trapped workers from debris of tunnel could last for 3 to 4 hours.

Uttarakhand tunnel rescue: Green corridor from tunnel to hospital set up for the workers

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